20254342 has 8 divisors (see below), whose sum is σ = 31980600. Its totient is φ = 9594144.

The previous prime is 20254337. The next prime is 20254349. The reversal of 20254342 is 24345202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20254349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266467 + ... + 266542.

It is an arithmetic number, because the mean of its divisors is an integer number (3997575).

Almost surely, 2^20254342 is an apocalyptic number.

20254342 is a deficient number, since it is larger than the sum of its proper divisors (11726258).

20254342 is a wasteful number, since it uses less digits than its factorization.

20254342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533030.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 20254342 is about 4500.4824185858. The cubic root of 20254342 is about 272.5875688600.

Adding to 20254342 its reverse (24345202), we get a palindrome (44599544).

The spelling of 20254342 in words is "twenty million, two hundred fifty-four thousand, three hundred forty-two".